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Finding the Fourth Proportional to 110,540.66, 152,502.81 and 68,025.38

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Solution

The fourth proportional to 110,540.66, 152,502.81 and 68,025.38 is: 93,848.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,540.66 : 152,502.81 = 68,025.38 : x
  2. Step 2: Convert to fraction form
    110,540.66/152,502.81 = 68,025.38/x
  3. Step 3: Cross multiply
    110,540.66x = 152,502.81 × 68,025.38
  4. Step 4: Simplify right side
    110,540.66x = 10,374,061,632.86
  5. Step 5: Solve for x
    x = 10,374,061,632.86/110,540.66
  6. Step 6: Final answer
    x = 93,848.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.